阅读说明：本技术 流量控制装置及具有其的空调系统 (Flow control device and air conditioning system with same ) 是由 熊匀均 于 2020-05-12 设计创作，主要内容包括：本发明提供了一种流量控制装置及具有其的空调系统,该流量控制装置包括：阀座,具有第一流道、第二流道、膨胀阀腔室以及单向阀腔室,阀座上设置有第一连通口和第二连通口,第一流道分别与第一连通口和第二连通口连通,第二流道分别与第一连通口和第二连通口连通,膨胀阀腔室设置在第一流道上,单向阀腔室与第二流道连通；膨胀阀,设置在阀座上,膨胀阀部分位于膨胀阀腔室内；单向阀,可移动地设置在单向阀腔室内,单向阀用于封堵流体由第一连通口流向第二连通口。通过本申请提供的技术方案,能够解决现有技术中的管路安装复杂的问题。(The invention provides a flow control device and an air conditioning system with the same, wherein the flow control device comprises: the valve seat is provided with a first flow passage, a second flow passage, an expansion valve chamber and a one-way valve chamber, the valve seat is provided with a first communicating port and a second communicating port, the first flow passage is communicated with the first communicating port and the second communicating port respectively, the second flow passage is communicated with the first communicating port and the second communicating port respectively, the expansion valve chamber is arranged on the first flow passage, and the one-way valve chamber is communicated with the second flow passage; the expansion valve is arranged on the valve seat, and the expansion valve part is positioned in the expansion valve chamber; and the check valve is movably arranged in the check valve chamber and is used for blocking the fluid flowing from the first communicating port to the second communicating port. Through the technical scheme provided by the application, the problem that the pipeline installation is complex in the prior art can be solved.)

1. A flow control device, characterized in that the flow control device comprises:

a valve seat (10) having a first flow passage (11), a second flow passage (12), an expansion valve chamber (13), and a check valve chamber (14), the valve seat (10) being provided with a first communication port (101) and a second communication port (102), the first flow passage (11) being communicated with the first communication port (101) and the second communication port (102), the second flow passage (12) being communicated with the first communication port (101) and the second communication port (102), the expansion valve chamber (13) being provided on the first flow passage (11), the check valve chamber (14) being communicated with the second flow passage (12);

an expansion valve (20) arranged on the valve seat (10), the expansion valve (20) being partially located in the expansion valve chamber (13), the expansion valve (20) being adapted to regulate a fluid flow from the first communication port (101) to the second communication port (102) or to block a fluid flow from the second communication port (102) to the first communication port (101);

a one-way valve (30) movably arranged in the one-way valve chamber (14), the one-way valve (30) being adapted to block fluid flow from the first communication port (101) to the second communication port (102) and to allow fluid flow from the second communication port (102) to the first communication port (101).

2. A flow control device according to claim 1, characterized in that one end of the first flow passage (11) communicates with the first communication port (101), one end of the second flow passage (12) communicates with the second communication port (102), the other end of the second flow passage (12) communicates with the first flow passage (11), and the junction of the second flow passage (12) and the first flow passage (11) is located between the first communication port (101) and the expansion valve chamber (13).

3. A flow control device according to claim 2, characterised in that the one-way valve chamber (14) is located at the junction of the first flow passage (11) and the second flow passage (12).

4. A flow control device according to claim 3, characterised in that the valve seat (10) has a communication hole (15), the communication hole (15) being provided in correspondence with the one-way valve chamber (14), one end of the communication hole (15) communicating with the one-way valve chamber (14), the other end of the communication hole (15) passing out from the surface of the valve seat (10), the flow control device further comprising a cover (40), the cover (40) being adapted to close off the communication hole (15).

5. A flow control device according to claim 3, characterised in that the first flow passage (11) and the second flow passage (12) are both arranged horizontally in the valve seat (10), the first flow passage (11) being located above the second flow passage (12), the port of the one-way valve chamber (14) being located at the bottom of the first flow passage (11).

6. A flow control device according to claim 5, characterised in that the one-way valve (30) comprises a body (31) and a seal (32), the seal (32) being located at the bottom of the body (31), the seal (32) being for closing or opening the port of the one-way valve chamber (14).

7. A flow control device according to claim 6, characterised in that there is a guide formation (33) between the body (31) and the inner wall of the one-way valve chamber (14).

8. A flow control device according to claim 6, characterised in that the body (31) is provided with a through hole (34), the through hole (34) extending through the body (31), the through hole (34) communicating with the first flow passage (11).

9. A flow control device according to claim 1, wherein the expansion valve chamber (13) has a throttle inlet (131) and a throttle outlet (132), the first flow passage (11) communicating with the throttle inlet (131), the throttle outlet (132) communicating with the second flow passage (12), the throttle outlet (132) communicating with the second communication port (102) through the second flow passage (12).

10. A flow control device, characterized in that the flow control device comprises:

the valve seat (10) is provided with a first flow passage (11), a second flow passage (12), an expansion valve chamber (13) and a one-way valve chamber (14), the valve seat (10) is provided with a first communicating opening (101) and a second communicating opening (102), the expansion valve chamber (13) and the one-way valve chamber (14) are communicated with the first flow passage (11) and the second flow passage (12), the first flow passage (11) extends from the expansion valve chamber (13) to the first communicating opening (101) and passes through the one-way valve chamber (14), and the second flow passage (12) extends from the one-way valve chamber (14) to the second communicating opening (102) and passes through the expansion valve chamber (13);

an expansion valve (20) arranged on the valve seat (10), the expansion valve (20) being partially located in the expansion valve chamber (13), the expansion valve (20) being adapted to regulate a fluid flow from the first communication port (101) to the second communication port (102) or to block a fluid flow from the second communication port (102) to the first communication port (101);

a one-way valve (30) movably arranged in the one-way valve chamber (14), the one-way valve (30) being adapted to block fluid flow from the first communication port (101) to the second communication port (102) and to allow fluid flow from the second communication port (102) to the first communication port (101).

11. An air conditioning system, characterized in that it comprises a flow control device according to any one of claims 1 to 9 or a flow control device according to claim 10.

Technical Field

The invention relates to the technical field of valve bodies, in particular to a flow control device and an air conditioning system with the same.

Background

At present, in an existing air conditioning system, an electronic expansion valve and a check valve are disposed in a pipeline to control a pipeline refrigerant through the electronic expansion valve and the check valve. The existing electronic expansion valve and the one-way valve are arranged independently, so that the pipeline installation is complicated.

Disclosure of Invention

The invention provides a flow control device and an air conditioning system with the same, and aims to solve the problem that a pipeline in the prior art is complex to install.

According to an aspect of the present invention, there is provided a flow control device including: the valve seat is provided with a first flow passage, a second flow passage, an expansion valve chamber and a one-way valve chamber, the valve seat is provided with a first communicating port and a second communicating port, the first flow passage is communicated with the first communicating port and the second communicating port respectively, the second flow passage is communicated with the first communicating port and the second communicating port respectively, the expansion valve chamber is arranged on the first flow passage, and the one-way valve chamber is communicated with the second flow passage; the expansion valve is arranged on the valve seat, part of the expansion valve is positioned in the expansion valve chamber, and the expansion valve is used for regulating the flow of fluid flowing from the first communication port to the second communication port or blocking the flow of fluid flowing from the second communication port to the first communication port; and the check valve is movably arranged in the check valve chamber and is used for blocking the fluid from flowing from the first communication port to the second communication port and allowing the fluid to flow from the second communication port to the first communication port.

Furthermore, one end of the first flow channel is communicated with the first communication port, one end of the second flow channel is communicated with the second communication port, the other end of the second flow channel is communicated with the first flow channel, and the joint of the second flow channel and the first flow channel is positioned between the first communication port and the expansion valve chamber.

Further, a check valve chamber is located at the junction of the first flow passage and the second flow passage.

Furthermore, the valve seat is provided with a communicating hole which is arranged corresponding to the one-way valve chamber, one end of the communicating hole is communicated with the one-way valve chamber, the other end of the communicating hole penetrates out of the surface of the valve seat, and the flow control device further comprises a sealing cover which is used for sealing the communicating hole.

Furthermore, the first flow passage and the second flow passage are both horizontally arranged in the valve seat, the first flow passage is positioned above the second flow passage, and the valve port of the one-way valve chamber is positioned at the bottom of the first flow passage.

Further, the check valve comprises a main body and a sealing part, wherein the sealing part is positioned at the bottom of the main body, and the sealing part is used for plugging or opening a valve port of the check valve chamber.

Further, a guide structure is arranged between the main body and the inner wall of the one-way valve chamber.

Furthermore, a through hole is formed in the main body, penetrates through the main body and is communicated with the first flow channel.

Furthermore, the expansion valve chamber is provided with a throttling inlet and a throttling outlet, the first flow passage is communicated with the throttling inlet, the throttling outlet is communicated with the second flow passage, and the throttling outlet is communicated with the second communication port through the second flow passage.

According to another aspect of the present invention, there is provided a flow control device including: the valve seat is provided with a first flow passage, a second flow passage, an expansion valve cavity and a one-way valve cavity, a first communicating port and a second communicating port are arranged on the valve seat, the expansion valve cavity and the one-way valve cavity are communicated with the first flow passage and the second flow passage, the first flow passage extends from the expansion valve cavity to the first communicating port and passes through the one-way valve cavity, and the second flow passage extends from the one-way valve cavity to the second communicating port and passes through the expansion valve cavity; the expansion valve is arranged on the valve seat, part of the expansion valve is positioned in the expansion valve chamber, and the expansion valve is used for regulating the flow of fluid flowing from the first communication port to the second communication port or blocking the flow of fluid flowing from the second communication port to the first communication port; and the check valve is movably arranged in the check valve chamber and is used for blocking the fluid from flowing from the first communication port to the second communication port and allowing the fluid to flow from the second communication port to the first communication port.

According to another aspect of the present invention, there is provided an air conditioning system comprising the flow control device provided above.

By applying the technical scheme of the invention, the flow control device comprises a valve seat, an expansion valve and a one-way valve. The expansion valve comprises a valve seat, a first flow passage, a second flow passage, an expansion valve cavity and a one-way valve cavity, wherein the valve seat is internally provided with the first flow passage, the second flow passage, the expansion valve cavity and the one-way valve cavity, the expansion valve cavity is arranged on the first flow passage, the one-way valve cavity is communicated with the second flow passage, the expansion valve is correspondingly arranged in the expansion valve cavity, and the one-way valve is correspondingly arranged in the one-way valve cavity. Through the technical scheme that this application provided, it has simplified the device structure, and the staff of being convenient for installs, has improved dismouting efficiency.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 illustrates a schematic diagram of a flow control device in state one provided in accordance with an embodiment of the present invention;

FIG. 2 illustrates a schematic diagram of a flow control device in state two provided in accordance with an embodiment of the present invention;

FIG. 3 shows a cross-sectional view of the valve seat of FIG. 1;

FIG. 4 shows a schematic view of the check valve of FIG. 1;

FIG. 5 shows a front view of the check valve of FIG. 1;

fig. 6 shows a cross-sectional view at a-a in fig. 5.

Wherein the figures include the following reference numerals:

10. a valve seat; 101. a first communication port; 102. a second communication port;

11. a first flow passage; 12. a second flow passage; 13. an expansion valve chamber; 131. a throttle inlet; 132. a throttle outlet; 14. a one-way valve chamber; 15. a communicating hole;

20. an expansion valve;

30. a one-way valve; 31. a main body; 32. a sealing part; 33. a guide structure; 34. a through hole;

40. and (7) sealing the cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3, an embodiment of the present application provides a flow control device, including: a valve seat 10, an expansion valve 20, and a check valve 30. The valve seat 10 has a first flow passage 11, a second flow passage 12, an expansion valve chamber 13, and a check valve chamber 14. The valve seat 10 is provided with a first communication port 101 and a second communication port 102, and the first communication port 101 and the second communication port 102 are used for connecting a pipeline, respectively. The first flow passage 11 communicates with the first communication port 101 and the second communication port 102, respectively, and the second flow passage 12 communicates with the first communication port 101 and the second communication port 102, respectively. An expansion valve chamber 13 is provided on the first flow passage 11, and a check valve chamber 14 communicates with the second flow passage 12. The expansion valve 20 is disposed on the valve seat 10, the expansion valve 20 is partially located in the expansion valve chamber 13, and the expansion valve 20 is used for throttling the fluid in the first flow passage 11, specifically, the expansion valve 20 is used for regulating the flow rate of the fluid flowing from the first communication port 101 to the second communication port 102 or blocking the flow of the fluid flowing from the second communication port 102 to the first communication port 101. A one-way valve 30 is movably disposed within the one-way valve chamber 14, the one-way valve 30 for blocking fluid flow from the first communication port 101 to the second communication port 102 and allowing fluid flow from the second communication port 102 to the first communication port 101.

With the arrangement provided in this embodiment, the flow control means comprises a valve seat 10, an expansion valve 20 and a one-way valve 30. The valve seat 10 is internally provided with a first flow passage 11, a second flow passage 12, an expansion valve chamber 13 and a check valve chamber 14, the expansion valve chamber 13 is arranged on the first flow passage 11, the check valve chamber 14 is communicated with the second flow passage 12, the expansion valve 20 is correspondingly arranged in the expansion valve chamber 13, and the check valve 30 is correspondingly arranged in the check valve chamber 14, so that the expansion valve 20 and the check valve 30 can be integrated together through the valve seat 10, and the pipeline only needs to be respectively connected with the first communicating port 101 and the second communicating port 102 during installation, and the control of the expansion valve 20 and the check valve 30 on the pipeline can be realized. Through the technical scheme that this application provided, it has simplified the device structure, and the staff of being convenient for installs, has improved dismouting efficiency.

The first flow channel 11 and the second flow channel 12 may be two separate channels, or the first flow channel 11 and the second flow channel may be disposed in a pipeline communicating with each other. In the present embodiment, one end of the first flow passage 11 communicates with the first communication port 101, one end of the second flow passage 12 communicates with the second communication port 102, the other end of the second flow passage 12 communicates with the first flow passage 11, and the junction of the second flow passage 12 and the first flow passage 11 is located between the first communication port 101 and the expansion valve chamber 13. Through the arrangement mode, the structure of the device can be simplified, the structure is more compact, and the occupied space of the device is reduced.

The check valve chamber 14 may be disposed on the second flow passage 12, or at the connection between the first flow passage 11 and the second flow passage 12. In this embodiment, the check valve chamber 14 is located at the junction of the first flow passage 11 and the second flow passage 12. Thus, the space of the valve seat 10 can be utilized reasonably, the occupied space of the check valve 30 in the valve seat 10 can be reduced, and the overall size of the device can be further reduced.

Specifically, the valve seat 10 has a communication hole 15, the communication hole 15 is disposed corresponding to the check valve chamber 14, one end of the communication hole 15 is communicated with the check valve chamber 14, the other end of the communication hole 15 is penetrated out from the surface of the valve seat 10, and the flow rate control device further includes a cover 40, and the cover 40 is used for sealing the communication hole 15. By providing the communication hole 15 and the cap 40, the check valve 30 can be easily attached and detached, and the sealing performance of the communication hole 15 can be ensured by the cap 40. In the embodiment, the sealing cover 40 is located above the check valve 30, and the sealing cover 40 may also be used to limit the check valve 30, so as to prevent the valve port of the check valve chamber 14 from being opened too much, and prevent the check valve 30 from coming out of the check valve chamber 14.

In the present embodiment, the first flow passage 11 and the second flow passage 12 are both horizontally disposed in the valve seat 10, the first flow passage 11 is located above the second flow passage 12, and the valve port of the check valve chamber 14 is located at the bottom of the first flow passage 11. The horizontal arrangement in the valve seat 10 merely indicates the general arrangement direction of the first flow passage 11 and the second flow passage 12, and the first flow passage 11 and the second flow passage 12 may be arranged in parallel with the horizontal line or may be arranged in the valve seat 10 in an inclined manner. Through the scheme that this embodiment provided, can make the runner rationally distribute on valve seat 10, make the structure more compact.

As shown in fig. 4 to 6, the check valve 30 includes a main body 31 and a sealing portion 32, the sealing portion 32 is located at the bottom of the main body 31, and the sealing portion 32 is used for closing or opening the valve port of the check valve chamber 14. Specifically, the diameter of the seal portion 32 gradually decreases toward the valve port. By arranging the sealing part 32 to be a conical structure, the sealing capacity of the sealing part 32 to the valve port can be improved, and the sealing effect can be further improved.

The reset of the check valve 30 can be realized by other reset pieces such as a spring, and the reset can also be realized by self gravity. In this embodiment, the check valve 30 is vertically disposed in the valve seat 10, and the reset can be realized by self gravity, so that the number of parts in the valve seat 10 can be reduced, and the structure of the device is simplified.

Wherein a guide structure 33 is provided between the body 31 and the inner wall of the one-way valve chamber 14. By providing the guide structure 33, the check valve 30 can be smoothly moved within the check valve chamber 14. Wherein, the guiding structure 33 can be a guiding block and a guiding groove for guiding in cooperation. In this embodiment, several first arc-shaped convex surfaces are annularly arranged on the side wall of the main body 31 of the check valve 30, and a second arc-shaped convex surface is correspondingly arranged in the check valve chamber 14, so that the first arc-shaped convex surface and the second arc-shaped convex surface are matched to guide the check valve 30.

Specifically, the main body 31 is provided with a through hole 34, the through hole 34 penetrates through the main body 31, and the through hole 34 communicates with the first flow channel 11. By providing the through hole 34, it is possible to compensate for the flow loss in the first flow path 11 due to the presence of the check valve 30, and to allow the fluid to smoothly flow through the check valve 30.

The expansion valve chamber 13 has a throttle inlet 131 and a throttle outlet 132, the first flow passage 11 communicates with the throttle inlet 131, the throttle outlet 132 communicates with the second flow passage 12, and the throttle outlet 132 communicates with the second communication port 102 through the second flow passage 12. Through the design, the lengths of the first flow passage 11 and the second flow passage 12 can be shortened, the structure of the device is further compact, the occupied volume of the device is reduced, and the device is miniaturized.

As shown in fig. 1, when the first communication port 101 is a fluid inlet and the second communication port 102 is a fluid outlet. The fluid enters the first flow passage 11 from the first communication port 101, the check valve 30 is in a closed state, the fluid can only pass through both sides or the through hole 34 of the check valve 30 and enter the expansion valve chamber 13, the expansion valve 20 is in an operating state at this time, and the fluid flows into the second flow passage 12 and flows out from the second communication port 102 after being throttled by the expansion valve 20, thereby completing the throttling process.

As shown in fig. 2, when the first communication port 101 is a fluid outlet and the second communication port 102 is a fluid inlet. When the fluid flows into the second flow passage 12 from the second communication port 102, the check valve 30 is in an open state, and the fluid can directly pass through the check valve 30 and flow out from the first communication port 101, and the expansion valve 20 does not operate.

Through the fluid control device that this application provided, pass through the disk seat integration with expansion valve and check valve together, make the device can satisfy throttle and one-way control's function simultaneously to the device simple structure, the staff of being convenient for installs on the pipeline, has improved dismouting efficiency.

Another embodiment of the present application provides a flow control apparatus, including: a valve seat 10, an expansion valve 20, and a check valve 30. The valve seat 10 has a first flow passage 11, a second flow passage 12, an expansion valve chamber 13, and a check valve chamber 14, the valve seat 10 is provided with a first communication port 101 and a second communication port 102, the expansion valve chamber 13 and the check valve chamber 14 are both communicated with the first flow passage 11 and the second flow passage 12, the first flow passage 11 extends from the expansion valve chamber 13 to the first communication port 101 and passes through the check valve chamber 14, and the second flow passage 12 extends from the check valve chamber 14 to the second communication port 102 and passes through the expansion valve chamber 13. The expansion valve 20 is disposed on the valve seat 10, the expansion valve 20 is partially located in the expansion valve chamber 13, and the expansion valve 20 is used to regulate the flow rate of the fluid flowing from the first communication port 101 to the second communication port 102 or to block the flow of the fluid flowing from the second communication port 102 to the first communication port 101. A one-way valve 30 is movably disposed within the one-way valve chamber 14, the one-way valve 30 for blocking fluid flow from the first communication port 101 to the second communication port 102 and allowing fluid flow from the second communication port 102 to the first communication port 101.

The application further provides an air conditioning system, and the air conditioning system comprises the flow control device provided by the embodiment.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.